Home / 40,706.24-61,082.04-21,985.88

Finding the Fourth Proportional to 40,706.24, 61,082.04 and 21,985.88

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Solution

The fourth proportional to 40,706.24, 61,082.04 and 21,985.88 is: 32,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706.24 : 61,082.04 = 21,985.88 : x
  2. Step 2: Convert to fraction form
    40,706.24/61,082.04 = 21,985.88/x
  3. Step 3: Cross multiply
    40,706.24x = 61,082.04 × 21,985.88
  4. Step 4: Simplify right side
    40,706.24x = 1,342,942,401.60
  5. Step 5: Solve for x
    x = 1,342,942,401.60/40,706.24
  6. Step 6: Final answer
    x = 32,991.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.